mirror of
https://github.com/lehanspb/tuya-mqtt.git
synced 2025-12-16 09:44:36 +00:00
d5217ce237
* Improve RGBTW white/color logic * Rebase MQTT topic brightess to 100 scale (vs 255/1000) * Added based auto-discovery for RGBTW light * Added math functions
556 lines
20 KiB
JavaScript
556 lines
20 KiB
JavaScript
const TuyAPI = require('tuyapi')
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const utils = require('../lib/utils')
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const debug = require('debug')('tuya-mqtt:tuya')
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const debugMqtt = require('debug')('tuya-mqtt:mqtt')
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const debugError = require('debug')('tuya-mqtt:error')
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class TuyaDevice {
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constructor(deviceInfo) {
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this.config = deviceInfo.configDevice
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this.mqttClient = deviceInfo.mqttClient
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this.topic = deviceInfo.topic
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// Build TuyAPI device options from device config info
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this.options = {
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id: this.config.id,
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key: this.config.key
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}
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if (this.config.name) { this.options.name = this.config.name.toLowerCase().replace(/ /g,'_') }
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if (this.config.ip) {
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this.options.ip = this.config.ip
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if (this.config.version) {
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this.options.version = this.config.version
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} else {
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this.options.version = '3.1'
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}
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}
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// Set default device data for Home Assistant device registry
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// Values may be overridden by individual devices
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this.deviceData = {
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ids: [ this.config.id ],
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name: (this.config.name) ? this.config.name : this.config.id,
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mf: 'Tuya'
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}
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// Objects to hold cached device state data
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this.state = {
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"dps": {},
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"color": {'h': 0, 's': 0, 'b': 0}
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}
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// Property to hold friendly topics template
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this.deviceTopics = {}
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// Build the MQTT topic for this device (friendly name or device id)
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if (this.options.name) {
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this.baseTopic = this.topic + this.options.name + '/'
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} else {
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this.baseTopic = this.topic + this.options.id + '/'
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}
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// Create the new Tuya Device
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this.device = new TuyAPI(JSON.parse(JSON.stringify(this.options)))
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// Listen for device data and call update DPS function if valid
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this.device.on('data', (data) => {
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if (typeof data === 'object') {
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debug('Received JSON data from device '+this.options.id+' ->', data.dps)
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this.updateState(data)
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} else {
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if (data !== 'json obj data unvalid') {
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debug('Received string data from device '+this.options.id+' ->', data.replace(/[^a-zA-Z0-9 ]/g, ''))
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}
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}
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})
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// Find device on network
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debug('Search for device id '+this.options.id)
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this.device.find().then(() => {
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debug('Found device id '+this.options.id)
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// Attempt connection to device
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this.device.connect()
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})
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// On connect perform device specific init
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this.device.on('connected', () => {
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debug('Connected to device ' + this.toString())
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this.init()
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})
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// On disconnect perform device specific disconnect
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this.device.on('disconnected', () => {
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this.connected = false
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debug('Disconnected from device ' + this.toString())
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})
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// On connect error call reconnect
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this.device.on('error', (err) => {
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debugError(err)
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if (err.message === 'Error from socket') {
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this.reconnect()
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}
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})
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}
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// Update dps properties with device data updates
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updateState(data) {
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if (typeof data.dps != 'undefined') {
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// Update cached device state data
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for (let key in data.dps) {
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this.state.dps[key] = {
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'val': data.dps[key],
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'updated': true
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}
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if (this.config.dpsColor && this.config.dpsColor == key) {
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this.updateColorState(data.dps[key])
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}
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}
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if (this.connected) {
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this.publishTopics()
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}
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}
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}
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// Publish device specific state topics
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publishTopics() {
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// Don't publish if device is not connected
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if (!this.connected) return
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// Loop through and publish all device specific topics
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for (let topic in this.deviceTopics) {
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const deviceTopic = this.deviceTopics[topic]
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const key = deviceTopic.key
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if (this.state.dps[key] && this.state.dps[key].updated) {
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const state = this.getTopicState(deviceTopic, this.state.dps[key].val)
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if (state) {
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this.publishMqtt(this.baseTopic + topic, state, true)
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}
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}
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}
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// Publish Generic Dps Topics
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this.publishDpsTopics()
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}
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// Publish all dps-values to topic
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publishDpsTopics() {
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try {
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if (!Object.keys(this.state.dps).length) { return }
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const dpsTopic = this.baseTopic + 'dps'
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// Publish DPS JSON data if not empty
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let data = {}
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for (let key in this.state.dps) {
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if (this.state.dps[key].updated) {
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data[key] = this.state.dps[key].val
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}
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}
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data = JSON.stringify(data)
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const dpsStateTopic = dpsTopic + '/state'
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debugMqtt('MQTT DPS JSON: ' + dpsStateTopic + ' -> ', data)
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this.publishMqtt(dpsStateTopic, data, false)
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// Publish dps/<#>/state value for each device DPS
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for (let key in this.state.dps) {
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if (this.state.dps[key].updated) {
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const dpsKeyTopic = dpsTopic + '/' + key + '/state'
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const data = this.state.dps.hasOwnProperty(key) ? this.state.dps[key].val.toString() : 'None'
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debugMqtt('MQTT DPS'+key+': '+dpsKeyTopic+' -> ', data)
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this.publishMqtt(dpsKeyTopic, data, false)
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this.state.dps[key].updated = false
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}
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}
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} catch (e) {
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debugError(e);
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}
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}
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// Get the friendly topic state based on DPS value type
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getTopicState(deviceTopic, value) {
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let state
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switch (deviceTopic.type) {
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case 'bool':
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state = value ? 'ON' : 'OFF'
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break;
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case 'int':
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case 'float':
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state = this.parseStateNumber(value, deviceTopic)
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break;
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case 'hsb':
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case 'hsbhex':
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// Return comma separate array of component values for specific topic
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state = new Array()
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const components = deviceTopic.components.split(',')
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for (let i in components) {
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state.push(this.state.color[components[i]])
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}
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state = (state.join(','))
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break;
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case 'str':
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state = value ? value : ''
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}
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return state
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}
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// Parse the received state value based on deviceTopic config
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parseStateNumber(value, deviceTopic) {
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// Check if it's a number and it's not outside of defined range
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if (isNaN(value)) {
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return ''
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}
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// Perform any required math transforms before returing command value
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switch (deviceTopic.type) {
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case 'int':
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if (deviceTopic.stateMath) {
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value = parseInt(Math.round(eval(value+deviceTopic.stateMath)))
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} else {
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value = parseInt(value)
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}
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break;
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case 'float':
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if (deviceTopic.stateMath) {
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value = parseFloat(eval(value+deviceTopic.stateMath))
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} else {
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value = parseFloat(value)
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}
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break;
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}
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return value.toString()
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}
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// Process MQTT commands for all command topics at device level
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async processCommand(message, commandTopic) {
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const command = this.getCommandFromMessage(message)
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if (commandTopic === 'command' && command === 'get-states') {
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// Handle "get-states" command to update device state
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debug('Received command: ', command)
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await this.getStates()
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} else {
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// Call device specific command topic handler
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this.processDeviceCommand(message, commandTopic)
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}
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}
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// Process MQTT commands for all command topics at device level
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processDeviceCommand(message, commandTopic) {
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// Determine state topic from command topic to find proper template
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const stateTopic = commandTopic.replace('command', 'state')
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const deviceTopic = this.deviceTopics.hasOwnProperty(stateTopic) ? this.deviceTopics[stateTopic] : ''
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if (deviceTopic) {
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debug('Device '+this.options.id+' received command topic: '+commandTopic+', message: '+message)
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const command = this.getCommandFromMessage(message)
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let commandResult = this.sendTuyaCommand(command, deviceTopic)
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if (!commandResult) {
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debug('Command topic '+this.baseTopic+commandTopic+' received invalid value: '+command)
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}
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} else {
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debug('Invalid command topic '+this.baseTopic+commandTopic+' for device: '+this.config.name)
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return
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}
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}
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// Converts message to TuyAPI JSON commands
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getCommandFromMessage(message) {
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let command
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if (message != '1' && message != '0' && utils.isJsonString(message)) {
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debugMqtt('MQTT message is JSON')
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command = JSON.parse(message);
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} else {
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switch(message.toLowerCase()) {
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case 'on':
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case 'off':
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case '0':
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case '1':
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case 'true':
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case 'false':
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// convert simple messages (on, off, 1, 0) to TuyAPI commands
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command = {
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set: (message.toLowerCase() === 'on' || message === '1' || message === 'true' || message === 1) ? true : false
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}
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break;
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default:
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command = message.toLowerCase()
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}
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}
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return command
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}
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// Process Tuya JSON commands via DPS command topic
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processDpsCommand(message) {
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if (utils.isJsonString(message)) {
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const tuyaCommand = this.getCommandFromMessage(message)
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debugMqtt('Received command: '+tuyaCommand)
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this.set(tuyaCommand)
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} else {
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debugError('DPS command topic requires Tuya style JSON value')
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}
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}
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// Process text base Tuya command via DPS key command topics
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processDpsKeyCommand(message, dpsKey) {
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if (utils.isJsonString(message)) {
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debugError('Individual DPS command topics do not accept JSON values')
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} else {
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const dpsMessage = this.parseDpsMessage(message)
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debugMqtt('Received command for DPS'+dpsKey+': ', message)
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const tuyaCommand = {
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dps: dpsKey,
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set: dpsMessage
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}
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this.set(tuyaCommand)
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}
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}
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// Parse string message into boolean and number types
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parseDpsMessage(message) {
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if (typeof message === 'boolean' ) {
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return message;
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} else if (message === 'true' || message === 'false') {
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return (message === 'true') ? true : false
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} else if (!isNaN(message)) {
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return Number(message)
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} else {
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return message
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}
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}
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// Get and update state of all dps properties for device
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async getStates() {
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// Suppress topic updates while syncing state
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this.connected = false
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for (let topic in this.deviceTopics) {
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const key = this.deviceTopics[topic].key
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const result = await this.device.get({"dps": key})
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}
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this.connected = true
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// Force topic update now that all states are fully in sync
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this.publishTopics()
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}
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// Set state based on command topic
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sendTuyaCommand(command, deviceTopic) {
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const tuyaCommand = new Object()
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tuyaCommand.dps = deviceTopic.key
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switch (deviceTopic.type) {
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case 'bool':
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if (command === 'toggle') {
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tuyaCommand.set = !this.state.dps[tuyaCommand.dps].val
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} else {
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if (typeof command.set === 'boolean') {
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tuyaCommand.set = command.set
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} else {
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tuyaCommand.set = '!!!INVALID!!!'
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}
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}
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break;
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case 'int':
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case 'float':
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tuyaCommand.set = this.parseCommandNumber(command, deviceTopic)
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break;
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case 'hsb':
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this.updateSetColorState(command, deviceTopic.components)
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tuyaCommand.set = this.getTuyaHsbColor()
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break;
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case 'hsbhex':
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this.updateSetColorState(command, deviceTopic.components)
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tuyaCommand.set = this.getTuyaHsbHexColor()
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break;
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}
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if (tuyaCommand.set === '!!!INVALID!!!') {
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return false
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} else {
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if (this.isRgbtwLight) {
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this.setLight(deviceTopic, tuyaCommand)
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} else {
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this.set(tuyaCommand)
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}
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return true
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}
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}
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// Validate/transform set interger values
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parseCommandNumber(command, deviceTopic) {
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let value = undefined
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const invalid = '!!!INVALID!!!'
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// Check if it's a number and it's not outside of defined range
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if (isNaN(command)) {
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return invalid
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} else if ((deviceTopic.hasOwnProperty('min') && command < deviceTopic.min) ||
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(deviceTopic.hasOwnProperty('max') && command > deviceTopic.max)) {
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return invalid
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}
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// Perform any required math transforms before returing command value
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switch (deviceTopic.type) {
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case 'int':
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if (deviceTopic.commandMath) {
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value = parseInt(Math.round(eval(command+deviceTopic.commandMath)))
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} else {
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value = parseInt(command)
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}
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break;
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case 'float':
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if (deviceTopic.commandMath) {
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value = parseFloat(eval(command+deviceTopic.commandMath))
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} else {
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value = parseFloat(command)
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}
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break;
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}
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return value
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}
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// Takes Tuya color value in HSB or HSBHEX format and
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// updates cached HSB color state for device
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updateColorState(value) {
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let h, s, b
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if (this.config.colorType === 'hsbhex') {
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[, h, s, b] = (value || '0000000000ffff').match(/^.{6}([0-9a-f]{4})([0-9a-f]{2})([0-9a-f]{2})$/i) || [0, '0', 'ff', 'ff'];
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this.state.color.h = parseInt(h, 16)
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this.state.color.s = Math.round(parseInt(s, 16) / 2.55) // Convert saturation to 100 scale
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this.state.color.b = Math.round(parseInt(b, 16) / 2.55) // Convert brightness to 100 scale
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} else {
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[, h, s, b] = (value || '000003e803e8').match(/^([0-9a-f]{4})([0-9a-f]{4})([0-9a-f]{4})$/i) || [0, '0', '3e8', '3e8']
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// Convert from Hex to Decimal and cache values
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this.state.color.h = parseInt(h, 16)
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this.state.color.s = Math.round(parseInt(s, 16) / 10) // Convert saturation to 100 Scale
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this.state.color.b = Math.round(parseInt(b, 16) / 10) // Convert brightness to 1000 scale
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}
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// Initialize the set color values for first time. Used to conflicts
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// when mulitple HSB components are updated in quick succession
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if (!this.state.setColor) {
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this.state.setColor = {
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'h': this.state.color.h,
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's': this.state.color.s,
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'b': this.state.color.b
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}
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}
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}
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// Updates the set color values based on received value from command topics
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// This is used to cache set color values when mulitple HSB components use
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// different topics and updates come in quick succession
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updateSetColorState(value, components) {
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// Update any HSB component with a changed value
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components = components.split(',')
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const values = value.split(',')
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for (let i in components) {
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this.state.setColor[components[i]] = Math.round(values[i])
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}
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}
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// Returns Tuya HSB format value from current setColor HSB value
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getTuyaHsbColor() {
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// Convert new HSB color to Tuya style HSB format
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let {h, s, b} = this.state.setColor
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const hexColor = h.toString(16).padStart(4, '0') + (10 * s).toString(16).padStart(4, '0') + (10 * b).toString(16).padStart(4, '0')
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return hexColor
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}
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// Returns Tuya HSBHEX format value from current setColor HSB value
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getTuyaHsbHexColor() {
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let {h, s, b} = this.state.setColor
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const hsb = h.toString(16).padStart(4, '0') + Math.round(2.55 * s).toString(16).padStart(2, '0') + Math.round(2.55 * b).toString(16).padStart(2, '0');
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h /= 60;
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s /= 100;
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b *= 2.55;
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const
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i = Math.floor(h),
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f = h - i,
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p = b * (1 - s),
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q = b * (1 - s * f),
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t = b * (1 - s * (1 - f)),
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rgb = (() => {
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switch (i % 6) {
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case 0:
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return [b, t, p];
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case 1:
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return [q, b, p];
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case 2:
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return [p, b, t];
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case 3:
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return [p, q, b];
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case 4:
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return [t, p, b];
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case 5:
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return [b, p, q];
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}
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})().map(c => Math.round(c).toString(16).padStart(2, '0')),
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hex = rgb.join('');
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return hex + hsb;
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}
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// Set white/colour mode based on
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async setLight(topic, command) {
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const currentMode = this.state.dps[this.config.dpsMode].val
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let targetMode = undefined
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if (topic.key === this.config.dpsWhiteValue || topic.key === this.config.dpsColorTemp) {
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// If setting white level or color temperature, light should be in white mode
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targetMode = 'white'
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} else if (topic.key === this.config.dpsColor) {
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if (this.state.setColor.s < 10) {
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// If saturation is < 10 then white mode
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targetMode = 'white'
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} else {
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// If saturation > 0 and changing hue, set color mode
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targetMode = 'colour'
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}
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}
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// If mode change required, add it to the set command
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if (targetMode && currentMode !== targetMode) {
|
|
command = {
|
|
multiple: true,
|
|
data: {
|
|
[command.dps]: command.set,
|
|
[this.config.dpsMode]: targetMode
|
|
}
|
|
}
|
|
}
|
|
this.set(command)
|
|
}
|
|
|
|
// Simple function to help debug output
|
|
toString() {
|
|
return this.config.name+' (' +(this.options.ip ? this.options.ip+', ' : '')+this.options.id+', '+this.options.key+')'
|
|
}
|
|
|
|
set(command) {
|
|
debug('Set device '+this.options.id+' -> '+JSON.stringify(command))
|
|
return new Promise((resolve, reject) => {
|
|
this.device.set(command).then((result) => {
|
|
resolve(result)
|
|
})
|
|
})
|
|
}
|
|
|
|
// Retry connection every 10 seconds if unable to connect
|
|
async reconnect() {
|
|
debug('Error connecting to device id '+this.options.id+'...retry in 10 seconds.')
|
|
await utils.sleep(10)
|
|
if (this.connected) { return }
|
|
debug('Search for device id '+this.options.id)
|
|
this.device.find().then(() => {
|
|
debug('Found device id '+this.options.id)
|
|
// Attempt connection to device
|
|
this.device.connect()
|
|
})
|
|
}
|
|
|
|
|
|
// Publish MQTT
|
|
publishMqtt(topic, message, isDebug) {
|
|
if (isDebug) { debugMqtt(topic, message) }
|
|
this.mqttClient.publish(topic, message, { qos: 1 });
|
|
}
|
|
}
|
|
|
|
module.exports = TuyaDevice |